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Just like that EFuel100 MicroFueler sometime ago, the BioBot is a system that's capable of producing fuel even right in the confines of one's home. Unlike the MicroFueler though, this doesn't produce ethanol from sugar and booze, but rather biodiesel from used cooking oil.

The problem, of course, is that unless you have run a fast food restaurant and have access to unlimited amounts of used cooking oil, you should be able to find some on your own. Other than that, making biodiesel using BioBot isn't as hard as I'd imagine (you can take a glimpse at the eight processes involved in transforming used cooking oil into biodiesel above). I'd surmise you would need to understand the basics of the process though, such as the measurements, to be able to effectively make it work.

BioBot can produce up to 20 gallons of biodiesel in a cycle that lasts from 10 to 24 hours. The machine costs $5,000 to buy though, so it most definitely isn't for everyone especially during these tough times.